Welcome to our dedicated page for Ribbon Communications SEC filings (Ticker: RBBN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Tracing how Ribbon Communications turns cloud-native software and IP optical hardware into recurring revenue can feel like navigating dense telecom jargon and multi-segment accounting footnotes. Shareholders hunting for segment margins, patent amortization schedules, or cross-border revenue in the company’s 10-K often spend hours scrolling. The challenge grows when you need to watch sudden leadership changes or supplier disruptions tucked inside an 8-K.
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Ribbon Communications (RBBN) disclosed insider equity activity by EVP & COO Sam Bucci. On 10/17/2025, 25,816 RSUs converted to common stock, followed by 13,819 shares withheld at $3.81 to cover taxes. After these entries, Bucci directly owns 448,811 shares. The RSUs were granted on 4/17/2023 and vest one-third on 4/17/2024, with the remaining two-thirds vesting in four equal semi-annual installments through 4/17/2026.
Ribbon Communications (RBBN) insider transaction: EVP, CLO & Secretary Patrick Macken reported RSU vesting and related share withholding on 10/17/2025. He acquired 20,652 shares of common stock upon RSU conversion (code M) and had 9,252 shares withheld (code F) at $3.81 to cover taxes. Following these transactions, he directly owns 343,546 common shares.
The RSUs were granted on April 17, 2023 and vest in scheduled installments through April 17, 2026.
Ribbon Communications (RBBN) reported an insider equity transaction by its President & CEO and Director. On 10/17/2025, 34,421 Restricted Stock Units (RSUs) converted into common stock. To cover taxes on the vesting, 13,544 shares were withheld by the issuer at $3.81 per share. Following these transactions, the reporting person directly owned 1,479,164 common shares.
The RSUs were granted on April 17, 2023, vesting one-third on April 17, 2024, with the remaining two-thirds vesting in four equal semi‑annual installments through April 17, 2026. Derivative holdings reported include 34,420 RSUs beneficially owned after the transaction.
Ribbon Communications (RBBN) disclosed an insider equity event. On 10/15/2025, the SVP, Deputy CFO and CAO reported the settlement of 75,000 Restricted Stock Units (code M), delivering an equal number of common shares. To cover taxes upon vesting, 29,512 shares were withheld at $3.81 per share (code F).
Following these transactions, the officer directly beneficially owns 427,063 common shares. The RSUs were granted on 10/15/2024, vested 50% on 10/15/2025, with the remaining 50% vesting in two equal semi-annual installments through 10/15/2026.
Ribbon Communications (RBBN) reported a director equity transaction on a Form 4. On 10/15/2025, the director acquired 8,881 shares of common stock, reflected as an “A” code. The filing states these shares were issued in lieu of cash fees for Board and committee service, with the price determined under the company’s Non‑Employee Director Compensation Policy.
Following the transaction, the director beneficially owned 755,710 shares, held directly.
Ribbon Communications (RBBN) reported an insider equity award. A director acquired 7,236 shares of common stock on 10/15/2025, issued in lieu of cash board fees. The director also received 185,210 restricted stock units, each for one share, that vest on October 15, 2026 or, if the 2026 Annual Meeting occurs earlier and the director does not stand or is not re‑elected, on the meeting date. After these transactions, the director beneficially owned 160,947 common shares, held directly.
Ribbon Communications (RBBN) reported an insider equity transaction by its EVP and Chief Financial Officer, John Townsend. On October 15, 2025, he acquired 128,205 shares of Common Stock via conversion of previously granted RSUs. In connection with the vesting, 50,448 shares were withheld by the issuer to satisfy tax obligations at $3.81 per share.
Following these transactions, Townsend held 77,757 shares directly. He also retained 102,564 RSUs outstanding. The RSUs were granted on October 15, 2024, with one-third vesting on October 15, 2025; the remaining two-thirds vest in four equal semi-annual installments through October 15, 2027.
Insider sale reported for Ribbon Communications (RBBN). On 09/05/2025 Beatriz Infante (director) disposed of 8,690 shares of Ribbon Communications common stock at a reported price of $3.9813 per share. After the transaction she beneficially owned 343,224 shares. The Form 4 was signed by Patrick Macken by power of attorney on 09/08/2025.
Dan Redington, EVP, Global Sales of Ribbon Communications Inc. (RBBN), reported three separate open-market sales of the issuer's common stock in early September 2025. The filings show sales of 20,000 shares on 09/04/2025 at a weighted-average price of $4.1626, 155,434 shares on 09/05/2025 at a weighted-average price of $4.0297, and 14,176 shares on 09/08/2025 at $4.02. Aggregate shares sold equal 189,610. The reported beneficial ownership after each sale moved from 169,610 shares to 14,176 shares and then to 0 shares (direct ownership). Footnotes state the first two prices are weighted averages with transaction ranges provided on the form. The Form 4 is signed by a power of attorney, Patrick Macken, dated 09/08/2025.
Ribbon Communications Inc. (RBBN) filed a Form 144 notice to sell 8,692 shares of common stock through Morgan Stanley Smith Barney LLC on or about 09/05/2025. The filing lists an aggregate market value of $34,605.46 and shows 177,081,847 shares outstanding, meaning the proposed sale represents a de minimis portion of outstanding stock. All reported shares were acquired as restricted stock between 2011 and 2014 from the issuer. The filer states there were no sales in the past three months and affirms no undisclosed material adverse information. The notice supplies broker details and acquisition dates but includes no additional financial results or transaction conditions.
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